Students' perception toward profession has been addressed from many studies as an important factor to promote satisfaction of college major and consistency in career path. This study examines the level of professionalism of the architecture and interior design students in the Seoul metropolitan area to provide information about current status on this issue. Preliminary knowledge and perception toward major before entering college and career aspiration of the students were also investigated in relation to professionalism. A survey questionnaire were administered to 556 participants. Major findings from the statistical analysis of the data are as follows; 1) Students thought that they had little information about their major before entering college and their image toward major has changed after entering college and as the grade gets higher. 2) Aptitude was the most important factor in choosing major and prospect for job condition, in respect. 3) Portfolio and design ability were considered the most required elements to get a job from the students' perspective. 4) Students' opinion whether their major-related job is equal in gender was negative where in contrary social status as positive. 5) Residential Design and Public Design were the most favored areas of field in practice and most of the students wanted to work in the design firm related to their major. The results of this study suggest that definitions and identities of the major and profession need to be strengthened for its consistency in professional image. Also, appropriate introduction and education early in K-12 system as well as in college play an important role in comprehension of the characteristics of major and profession. Finally, partnership among K-12 education, design professionals both in education and practice, and government is needed in program development and related research.